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Roof Cap with Built-In Damper for 3 in. or 4 in. Round Duct in Black

$2100
  • Built-in back-draft damper and bird screen for added protection
  • Constructed of durable, resilient steel with black enamel finish
  • Easy to install and/or replace existing product for DIY'ers
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Product Details

Select the Broan 636 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3 in. or 4 in. round ducts. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.
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Specifications

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Questions & Answers

22Questions
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Q:Can this be retrofitted to existing duct work?
by|Nov 9, 2022
1 Answer
Answer This Question

A:  Hi Russ, Thank you for your question on the model 636 roof cap. Yes, you can use 3" or 4" existing duct work with this cap. If you have further questions about your specific installation, please contact our Technical Support team directly at 888-336-6151.

by|Nov 9, 2022
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    Q:Why do you notify me of a reduced price on an item that I have already purchased. It indicats that I have over-paid for an item that could have been bought a week later for a significantly lower price
    by|Oct 20, 2022
    1 Answer
    Answer This Question

    A:  Hi JudZ, Thank you for your question on model 636. We are sorry for this inconvenience, this notice appears to have been generated by Home Depot directly.

    by|Oct 21, 2022
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      Q:What gauge metal is this made from?
      by|Sep 19, 2022
      1 Answer
      Answer This Question

      A:  Hi Chris, Thank you for your question on the model 636 roof cap. This cap is 25 gauge CRCQ steel.

      by|Sep 20, 2022
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        Q:Is there a 4" round pipe adapter included or where can I buy one?
        by|Feb 18, 2022
        1 Answer
        Answer This Question

        A:  Hi Val21, Thank you for your question on the model 636 roof cap. The pipe adapter is not include with the purchase of the roof cap. It will come with the RVKA1 roof venting kit or it can be purchased separately using part number 99610002.

        by|Mar 13, 2023
          1 found this answer helpful
          Showing 1-4 of 22
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          Customer Reviews

          4.1 out of 5
          (53)
          • 4.1
            out of 53 reviews
          • 74% recommend this product
          Filter by:
          Showing 1-10 of 53 reviews
          Well constructed product, appearance and finish is superior to standard vents, compact size is a ...
          Well constructed product, appearance and finish is superior to standard vents, compact size is a plus (doesn't look out of place on roof), easy to install on new or existing roof. One with a piece of 4 inch vent pipe attached so you could attach vent tubing would be a nice option. This item was available online only in my area, in stock was the complete vent kit, did not need complete kit, would be nice if this item was stocked, but easy enough to get online.
          by
          • Verified Purchase
          • Recommended
          1 found this review helpful
          I would recommend but the instructions need more info.
          The vent comes with a bird screen which needs to be removed if used as a dryer vent. It will get blocked with lint in less then 2 months if not removed. Your instructions say nothing which leads me to believe it is not approved as a dryer vent. Either come out and say this vent is not for dryer use or state that the bird screen must be removed if used as a dryer vent.
          by
          Response from CustomerServiceBroanSep 26, 2016
          Thank you for your review on the model 636 roof cap. Our caps are designed for use as ventilation fan termination caps only. It may, however, be used to terminate the ducting for a clothes dryer IF the bird screen is removed since lint built-up on the screen could pose a safety hazard. This conditional approval is given only if the clothes dryer manufacturer's instructions permit roof ducting. Since we do not manufacturer these caps to be used with a clothes dryer, we do not list this in the installation instructions. The normal application for these caps would be as a termination cap for a bath fan. If you have further questions, please contact our Technical Support Department directly at 800-637-1453.
            Roof Cap Installation
            The directions were clear, installtion was easy ans it looks great
            by
            • DIY
            • Verified Purchase
            • Recommended
            by
            • Verified Purchase
            by
            • Verified Purchase
            Finito!
            My 2 bathrooms ca breath now!! All good
            by
            • Verified Purchase
            • Recommended
            by
            • Verified Purchase
            by
            • Verified Purchase
            I like that it's made of metal - you don't...
            I like that it's made of metal - you don't have to worry which roofing caulk/adhesive you use (the plastic competitor requires a non-asphalt based elastomeric caulk, otherwise the plastic's lifespan will be degraded). The mesh grate (critter prevention) isn't securely attached - only friction fit, and can pop out of place when handling for installation. Probably not a major complaint, but that's the only reason I didn't give it 5 stars. I like it enough that I've purchased and installed a couple.
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            Showing 1-10 of 53 reviews

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            FeaturesBuilt-in ScreenCorrosion ResistantBuilt-in Screen,UV ResistantCorrosion Resistant
            Intake/Exhaust ExhaustExhaustExhaust
            Net-Free Area (Sq. In.) 281350
            Mounting Position Roof MountRoof MountRoof Mount
            Power Type Non-PoweredNon-PoweredNon-Powered
            Shape Round TopRoundRound Top
            View ProductView ProductView ProductView Product